Home / 190,820.88-263,333.40-105,938.16

Finding the Fourth Proportional to 190,820.88, 263,333.40 and 105,938.16

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Solution

The fourth proportional to 190,820.88, 263,333.40 and 105,938.16 is: 146,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,820.88 : 263,333.40 = 105,938.16 : x
  2. Step 2: Convert to fraction form
    190,820.88/263,333.40 = 105,938.16/x
  3. Step 3: Cross multiply
    190,820.88x = 263,333.40 × 105,938.16
  4. Step 4: Simplify right side
    190,820.88x = 27,897,055,862.54
  5. Step 5: Solve for x
    x = 27,897,055,862.54/190,820.88
  6. Step 6: Final answer
    x = 146,194.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.